IDE_NAME_LEN
nmlen = IDE_NAME_LEN(bufp);
nmlen = IDE_NAME_LEN(bufp);
#define IDE_sys_use_area(x) (&((uchar_t *)x)[IDE_NAME_LEN(x) + \
#define IDE_PAD_LEN(x) ((IDE_NAME_LEN(x) % 2) ? 0 : 1)
(int)(IDE_NAME_LEN(x)) - (int)(IDE_PAD_LEN(x)))